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Re: ERROR: could not load library "...": Exec format error

From: Korry Douglas <korry(dot)douglas(at)enterprisedb(dot)com>
To: Boszormenyi Zoltan <zb(at)cybertec(dot)at>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: ERROR: could not load library "...": Exec format error
Date: 2010-02-09 14:37:35
Message-ID: 850DF5FF-83F7-4ABE-A017-65F92176AAC1@enterprisedb.com (view raw or flat)
Thread:
Lists: pgsql-generalpgsql-hackers
> I have the $SUBJECT problem loading my own
> module in PostgreSQL. The server is HP-UX/ia64,
> PostgeSQL 8.4.2 was compiled with HP CC.
> pl/PgSQL can be loaded fine.
>
> ...:/usr/local/pgsql/pgsql-cc-8.4/lib# ldd odbclink.so
>        libodbc.so.1 => /usr/local/pgsql/runtime/lib/libodbc.so.1
>        libpthread.so.1 =>      /usr/lib/hpux64/libpthread.so.1
>        libc.so.1 =>    /usr/lib/hpux64/libc.so.1
>        libdl.so.1 =>   /usr/lib/hpux64/libdl.so.1
>
> "/usr/local/pgsql/runtime" is a link to "/usr/local/pgsql/pgsql- 
> cc-8.4"
>
> ...:/usr/local/pgsql/pgsql-cc-8.4/lib# file plpgsql.so odbclink.so
> plpgsql.so:     ELF-64 shared object file - IA64
> odbclink.so:    ELF-64 shared object file - IA64
>
> The module compilation was done using "USE_PGXS=1 gmake".
>
> How can I solve this issue?



IIRC, HP/UX doesn't like to dynamic-load shared libraries that use  
thread-local storage. Your shared library (odbclink.so) is linked  
against libpthread.so.1 so you may be running into that problem.  I  
would recommend running the HP/UX equivalent of strace to capture more  
information about the call to dlopen()  (or perhaps shl_load(),  
depending on which version of HP/UX you are using).


			-- Korry


-----------------------------------------------------------------------
Korry Douglas
Senior Database Dude
EnterpriseDB Corporation
The Enterprise Postgres Company

Phone: (804)241-4301
Mobile: (620) EDB-NERD



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